There's surprisingly few genuine veggie restos in Bangkok, but Anotai Vegetarian Restaurant near Phra Ram 9 Hospital in Bangkok, provides simple and fairly cheap dishes - lots of stir fries and a bit of a fixation with spaghetti. Excellent green curries and the like
Interior of Anotai Restaurant, Bangkok
A caliph amongst carrot cakes, Anotai's take on this allegedly healthy classic is excellent - moist with a distinct hint of ginger to it which works extremely well. Bonus points for detailed carrot, erm, detail
One of Anotai's signature dishes - Tofu Tempura with soy sauce and wasabi mayo
Aspara - Asparagus wrapped in bacon at my favourite and super cheap Japanese yakitori place, Kushi-Tei on Thonglor
A beautifully served Pad Thai at a little roadside restaurant in Klong Dao on Koh Lanta
Warm Beer Crap Food - outside the Fat Monkey bar, Klong Dao, Koh Lanta. You've been warned...